Zend
200-710 · Question #90
200-710 Question #90: Real Exam Question with Answer & Explanation
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Question
What is the output of the following code?
class a
{
public $val;
function renderVal (a $a)
{
if ($a) {
echo $a->val;
}
}
renderVal (null);
Options
- AA syntax error in the function declaration line
- BAn error, because null is not an instance of 'a'
- CNothing, because a null value is being passed to renderVal()
- DNULL
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